13D Filing: Raging Capital Management and Rentech Inc. (RTK)

Page 5 of 6 – SEC Filing

SIGNATURES

After reasonable inquiry and to the best
of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete
and correct.

Dated:  December 13, 2017 Raging Capital Management, LLC
By: /s/ Frederick C. Wasch
Name: Frederick C. Wasch
Title: Chief Financial Officer
/s/ Frederick C. Wasch
Frederick C. Wasch as attorney-in-fact for William C. Martin
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